cardio-respiratory system
Across
- 4. When the upper chambers of the heart contract
- 8. The number of times the heart beats per minute
- 9. The ability of the heart and lungs to provide oxygen for the working muscles to keep exercising for long periods of time without the effects of fatigue
- 11. A resting heart rate below 60bpm
Down
- 1. A steady rise in heart rate after 10mins of steady state exercise in warm conditions
- 2. The amount of blood ejected from the Aorta per minute
- 3. The movement of gas molecules from an area of high concentration, or partial pressure, to low concentration, or partial pressure.
- 5. The hearts pacemaker
- 6. The amount of air breathed in and out per breath
- 7. An increase in Venous Return causes and increase in ejection fraction, this is known as
- 10. an increase in the strength & contraction force of the cardiac muscle